import React, { useState, useEffect, useRef } from 'react'
import { Button, PageHeader, Steps, Form, Input, Select, message, notification } from 'antd';
import style from "./News.module.css"
import axios from 'axios';
import NewsEditor from '../../../components/news-manage/NewsEditor';
const { Step } = Steps;
const { Option } = Select


export default function NewsAdd(props) {

  const [current, setCurrent] = useState(0)
  const [categoryList, setCategoryList] = useState([])
  const [formInfo, setFormInfo] = useState('')
  const [content, setContent] = useState('')

  const User = JSON.parse(localStorage.getItem("token"))

  const NewsForm = useRef(null)

  // 下一步
  const handleNext = () => {
    if (current === 0) {
      NewsForm.current.validateFields().then(res => {
        // console.log(res);
        setFormInfo(res)
        setCurrent(current + 1)
      }).catch(error => {
        console.log(error);
      })
    } else {
      if (content === "" || content.trim() === "<p></p>") {
        message.error("新闻内容不能为空")
      } else {
        console.log(formInfo, content);
        setCurrent(current + 1)
      }
    }

  }

  // 上一步
  const handlePrev = () => {
    setCurrent(current - 1)
  }

  const handleSave = (auditState) => {
    axios.post("http://localhost:5000/news", {
      ...formInfo,
      "content": content,
      "region": User.region ? User.region : "全球",
      "author": User.username,
      "roleId": User.roleId,
      "auditState": auditState,
      "publishState": 0,
      "createTime": Date.now(),
      "star": 0,
      "view": 0,
      // "publishTime": 1615778496314
    }).then(res => {
      console.log(res);
      props.history.push(auditState === 0 ? "/news-manage/draft" : "/audit-manage/list")
      notification.info({
        message: `通知`,
        description: `您可以到${auditState === 0 ? "草稿箱":"审核列表"}中查看新闻`,
        placement: "bottomRight",
      });
    })
  }

  useEffect(() => {
    axios.get("http://localhost:5000/categories").then(res => {
      console.log(res.data);
      setCategoryList(res.data)
    })
  }, [])

  return (
    <div>
      <PageHeader
        className="site-page-header"
        title="撰写新闻"
        subTitle="This is a subtitle"
      />

      <Steps current={current}>
        <Step title="基本信息" description="新闻标题，新闻分类" />
        <Step title="新闻内容" subTitle="" description="新闻主题内容" />
        <Step title="新闻提交" description="保存草稿或提交审核" />
      </Steps>

      <div style={{ marginTop: "50px" }}>
        <div className={current === 0 ? '' : style.active}>
          <Form
            name="basic"
            labelCol={{ span: 4 }}
            wrapperCol={{ span: 20 }}
            ref={NewsForm}
          >
            <Form.Item
              label="新闻标题"
              name="title"
              rules={[{ required: true, message: 'Please input your username!' }]}
            >
              <Input />
            </Form.Item>

            <Form.Item
              label="新闻分类"
              name="categoryId"
              rules={[{ required: true, message: 'Please input your username!' }]}
            >
              <Select>
                {
                  categoryList.map(item => <Option key={item.id} value={item.id}>{item.title}</Option>)
                }

              </Select>
            </Form.Item>


          </Form>
        </div>

        <div className={current === 1 ? '' : style.active}>
          <NewsEditor getContent={setContent}></NewsEditor>
        </div>
        <div className={current === 2 ? '' : style.active}>333</div>

      </div>


      <div style={{ marginTop: "50px" }}>
        {
          current === 2 && <span>
            <Button type='primary' onClick={() => handleSave(0)}>保存草稿箱</Button>
            <Button danger onClick={() => handleSave(1)}>提交审核</Button>
          </span>
        }
        {
          current < 2 && <Button onClick={handleNext} type='primary'>下一步</Button>
        }
        {
          current > 0 && <Button onClick={handlePrev} type='primary'>上一步</Button>
        }
      </div>
    </div>
  )
}
